People participate in an event to commemorate the 92nd anniversary of the September 18 Incident at the square of the Exhibition Hall of Evidence of Crime Committed by Unit 731 of the Japanese Imperial Army in Harbin, northeast China's Heilongjiang Province, Sept. 18, 2023.
Various activities were held on Sept. 18 to commemorate the 92nd anniversary of the September 18 Incident in Harbin of northeast China's Heilongjiang Province. (Xinhua/Wang Jianwei)